Genus: Tuyuria LEBEDEV, ITANO, DUFFIN & IVANOV, 2026
Etymology: In honor of Yuri Tulyankin, who found teh specimens while he wa a schoolboy fascinated by paleontolgy, and generously donated his colection to PIN RAS.

Species:insolita LEBEDEV, ITANO, DUFFIN & IVANOV, 2026
Etymology: Latin, insolitus, to mark its distinctive characters.

Holotype: PIN 1488/56

Locality: Demidovka quarry 6 km to the east-north-east from Tula City, Tula Region, central Russia.

Horizon: Olkhovets Subformation, Tulian Formation.

Biostratigraphy:

Age: Tulian Regional Stage, Middle Visean Epoch, Middle Mississippian Subperiod, Early Carboniferous Period.

Material: An almost complete symphyseal (?parasymphyseal) tooth lacking tips of teh lingual base process.

Referred material:

PIN 1488/57: An almost complete symphyseal (?Parasymphyseal) tooth.

PIN 1488/58: An isolated crown.

 

Locality: Lipki quarry, Tula Region, central Russia.

Horizon: Olkhovets Subformation, Tulian Formation.

Biostratigraphy:

Age: Tulian Regional Stage, Middle Visean Epoch, Middle Mississippian Subperiod, Early Carboniferous Period.

Material:

PIN 1488/226: A slightly abraded symphyseal (?parasymphyseal) tooth.